Population Forecast
5 year Forecast - 1.4%
The current population of the Williamsport, PA Market is 587,484 as of the April 2025 PopStats estimate. PopStat’s Trend models indicate a 5 year population change of 1.4%, resulting in a Population of 595,773 by April 2030. This percentage change in Population ranks 117th across STI Markets. The Williamsport, PA Market currently ranks 138th in overall population, and will rank 137th by April 2030.
High and Low Range - -2.1% to 4.6%
While the summation of mid range 5 year forecasts foresee a change in Population of 1.4% for Williamsport, PA Market. The forecast high ranges of these forecasts leaves open the possibility for a Population change as high as 4.6% at 614,480. Similarly a population change as low as -2.1% at 575,151 is not without possibility.
Figure 73: Population Trend and Forecast
10 year Projections - 2.8%
By April 2035 we project the Population of the Williamsport, PA Market to be 603,949 resulting in a change of 2.8% compared to the current Population. This projected percentage change in Population ranks 118th across STI Markets. The Williamsport, PA Market currently ranks 138th in overall population, and will rank 138th by April 2035.
